package my.interview;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * @DESCRIPTION:
 * @USER: shg
 * @DATE: 2022/12/21 13:23
 */
public class HJ20 {
    public static void main(String[] args) {
        Pattern compile = Pattern.compile("[A-Z]");
        Matcher abc = compile.matcher("ABC");
        boolean b = abc.find();
    }
}
